

This will vary because unlike other stat sites we include 100% of a brackets champions played and never include champions that don't belong in the bracket.
Emerald+ Champions Analysed: 16,590,402
We include 100% of the champions played of every selected tier bracket in our analysis, we never include champions from outside the tier quoted tier.


Yuumi Counters
Yuumi support vs middle Counters
Yuumi support on Patch 15.6 is the strongest counter to middle champions of Kai'Sa, Seraphine & Smolder. While Yuumi support is countered most by middle champions of Heimerdinger, Kennen & Kayle. Below is a detailed breakdown of Yuumi support counters against middle champions with a minimum of 100 games.


Heimerdinger
Nhà Phát Minh Lỗi Lạc
Yuumi wins against Heimerdinger 43.48% of the time which is 1.92% lower against Heimerdinger than the average opponent.
After normalising both champions win rates Yuumi wins against Heimerdinger 5.72% less often than would be expected.
The average opponent winrate against Heimerdinger is 45.40%.


Kennen
Trái Tim Sấm Sét
Yuumi wins against Kennen 45.15% of the time which is 0.17% higher against Kennen than the average opponent.
After normalising both champions win rates Yuumi wins against Kennen 3.63% less often than would be expected.
The average opponent winrate against Kennen is 44.98%.


Kayle
Thiên Thần Phán Quyết
Yuumi wins against Kayle 45.35% of the time which is 1.00% lower against Kayle than the average opponent.
After normalising both champions win rates Yuumi wins against Kayle 4.81% less often than would be expected.
The average opponent winrate against Kayle is 46.35%.


Taliyah
Phù Thủy Đá
Yuumi wins against Taliyah 45.88% of the time which is 1.19% lower against Taliyah than the average opponent.
After normalising both champions win rates Yuumi wins against Taliyah 5.00% less often than would be expected.
The average opponent winrate against Taliyah is 47.07%.


Quinn
Đôi Cánh Demacia
Yuumi wins against Quinn 46.11% of the time which is 1.36% higher against Quinn than the average opponent.
After normalising both champions win rates Yuumi wins against Quinn 2.44% less often than would be expected.
The average opponent winrate against Quinn is 44.75%.


Gwen
Búp Bê Ước Nguyện
Yuumi wins against Gwen 46.72% of the time which is 1.34% lower against Gwen than the average opponent.
After normalising both champions win rates Yuumi wins against Gwen 5.15% less often than would be expected.
The average opponent winrate against Gwen is 48.06%.


Garen
Sức Mạnh Của Demacia
Yuumi wins against Garen 46.91% of the time which is 0.69% lower against Garen than the average opponent.
After normalising both champions win rates Yuumi wins against Garen 4.50% less often than would be expected.
The average opponent winrate against Garen is 47.60%.


Cassiopeia
Xà Nữ
Yuumi wins against Cassiopeia 46.95% of the time which is 0.56% higher against Cassiopeia than the average opponent.
After normalising both champions win rates Yuumi wins against Cassiopeia 3.25% less often than would be expected.
The average opponent winrate against Cassiopeia is 46.39%.


Nasus
Nhà Thông Thái Sa Mạc
Yuumi wins against Nasus 47.55% of the time which is 0.31% higher against Nasus than the average opponent.
After normalising both champions win rates Yuumi wins against Nasus 3.50% less often than would be expected.
The average opponent winrate against Nasus is 47.24%.


Zac
Vũ Khí Bí Mật
Yuumi wins against Zac 47.62% of the time which is 1.24% higher against Zac than the average opponent.
After normalising both champions win rates Yuumi wins against Zac 2.57% less often than would be expected.
The average opponent winrate against Zac is 46.38%.


Tryndamere
Bá Vương Man Di
Yuumi wins against Tryndamere 47.71% of the time which is 0.90% higher against Tryndamere than the average opponent.
After normalising both champions win rates Yuumi wins against Tryndamere 2.91% less often than would be expected.
The average opponent winrate against Tryndamere is 46.81%.


Vel'Koz
Con Mắt Hư Không
Yuumi wins against Vel'Koz 48.78% of the time which is 1.71% higher against Vel'Koz than the average opponent.
After normalising both champions win rates Yuumi wins against Vel'Koz 2.10% less often than would be expected.
The average opponent winrate against Vel'Koz is 47.07%.


Pantheon
Mũi Giáo Bất Diệt
Yuumi wins against Pantheon 48.89% of the time which is 2.95% higher against Pantheon than the average opponent.
After normalising both champions win rates Yuumi wins against Pantheon 0.85% less often than would be expected.
The average opponent winrate against Pantheon is 45.94%.


Malphite
Mảnh Vỡ Thiên Thạch
Yuumi wins against Malphite 49.04% of the time which is 2.72% higher against Malphite than the average opponent.
After normalising both champions win rates Yuumi wins against Malphite 1.09% less often than would be expected.
The average opponent winrate against Malphite is 46.32%.


Annie
Đứa Trẻ Bóng Tối
Yuumi wins against Annie 49.37% of the time which is 4.31% higher against Annie than the average opponent.
After normalising both champions win rates Yuumi wins against Annie 0.51% more often than would be expected.
The average opponent winrate against Annie is 45.06%.


Gragas
Gã Bợm Rượu
Yuumi wins against Gragas 49.48% of the time which is 2.91% higher against Gragas than the average opponent.
After normalising both champions win rates Yuumi wins against Gragas 0.90% less often than would be expected.
The average opponent winrate against Gragas is 46.57%.


Yasuo
Kẻ Bất Dung Thứ
Yuumi wins against Yasuo 49.67% of the time which is 1.66% higher against Yasuo than the average opponent.
After normalising both champions win rates Yuumi wins against Yasuo 2.15% less often than would be expected.
The average opponent winrate against Yasuo is 48.01%.


Lissandra
Mụ Phù Thủy Băng
Yuumi wins against Lissandra 49.91% of the time which is 2.46% higher against Lissandra than the average opponent.
After normalising both champions win rates Yuumi wins against Lissandra 1.35% less often than would be expected.
The average opponent winrate against Lissandra is 47.45%.


Rumble
Hiểm Họa Cơ Khí
Yuumi wins against Rumble 50.00% of the time which is 2.95% higher against Rumble than the average opponent.
After normalising both champions win rates Yuumi wins against Rumble 0.86% less often than would be expected.
The average opponent winrate against Rumble is 47.05%.


Cho'Gath
Quái Vật Hư Không
Yuumi wins against Cho'Gath 50.00% of the time which is 4.13% higher against Cho'Gath than the average opponent.
After normalising both champions win rates Yuumi wins against Cho'Gath 0.33% more often than would be expected.
The average opponent winrate against Cho'Gath is 45.87%.


Galio
Vệ Thần Khổng Lồ
Yuumi wins against Galio 50.03% of the time which is 2.64% higher against Galio than the average opponent.
After normalising both champions win rates Yuumi wins against Galio 1.17% less often than would be expected.
The average opponent winrate against Galio is 47.39%.


Anivia
Phượng Hoàng Băng
Yuumi wins against Anivia 50.09% of the time which is 4.09% higher against Anivia than the average opponent.
After normalising both champions win rates Yuumi wins against Anivia 0.29% more often than would be expected.
The average opponent winrate against Anivia is 46.00%.


Jhin
Nghệ Sĩ Tử Thần
Yuumi wins against Jhin 50.47% of the time which is 2.15% higher against Jhin than the average opponent.
After normalising both champions win rates Yuumi wins against Jhin 1.66% less often than would be expected.
The average opponent winrate against Jhin is 48.32%.


Neeko
Hóa Hình Sư Ham Học
Yuumi wins against Neeko 50.52% of the time which is 4.86% higher against Neeko than the average opponent.
After normalising both champions win rates Yuumi wins against Neeko 1.06% more often than would be expected.
The average opponent winrate against Neeko is 45.66%.


Naafiri
Chó Săn Khát Máu
Yuumi wins against Naafiri 50.70% of the time which is 5.97% higher against Naafiri than the average opponent.
After normalising both champions win rates Yuumi wins against Naafiri 2.17% more often than would be expected.
The average opponent winrate against Naafiri is 44.73%.


Riven
Kẻ Lưu Đày
Yuumi wins against Riven 50.77% of the time which is 4.49% higher against Riven than the average opponent.
After normalising both champions win rates Yuumi wins against Riven 0.69% more often than would be expected.
The average opponent winrate against Riven is 46.28%.


Zilean
Giám Hộ Thời Gian
Yuumi wins against Zilean 50.78% of the time which is 5.50% higher against Zilean than the average opponent.
After normalising both champions win rates Yuumi wins against Zilean 1.70% more often than would be expected.
The average opponent winrate against Zilean is 45.28%.


Ahri
Hồ Ly Chín Đuôi
Yuumi wins against Ahri 50.80% of the time which is 4.06% higher against Ahri than the average opponent.
After normalising both champions win rates Yuumi wins against Ahri 0.25% more often than would be expected.
The average opponent winrate against Ahri is 46.74%.


Aatrox
Quỷ Kiếm Darkin
Yuumi wins against Aatrox 50.85% of the time which is 2.17% higher against Aatrox than the average opponent.
After normalising both champions win rates Yuumi wins against Aatrox 1.64% less often than would be expected.
The average opponent winrate against Aatrox is 48.68%.


Akshan
Vệ Binh Ranh Mãnh
Yuumi wins against Akshan 50.91% of the time which is 3.83% higher against Akshan than the average opponent.
After normalising both champions win rates Yuumi wins against Akshan 0.02% more often than would be expected.
The average opponent winrate against Akshan is 47.08%.


Zoe
Bậc Thầy Biến Ảo
Yuumi wins against Zoe 50.97% of the time which is 3.31% higher against Zoe than the average opponent.
After normalising both champions win rates Yuumi wins against Zoe 0.50% less often than would be expected.
The average opponent winrate against Zoe is 47.66%.


Ekko
Cậu Bé Đảo Lộn Thời Gian
Yuumi wins against Ekko 51.11% of the time which is 3.41% higher against Ekko than the average opponent.
After normalising both champions win rates Yuumi wins against Ekko 0.40% less often than would be expected.
The average opponent winrate against Ekko is 47.70%.


Sion
Chiến Binh Bất Tử
Yuumi wins against Sion 51.26% of the time which is 4.38% higher against Sion than the average opponent.
After normalising both champions win rates Yuumi wins against Sion 0.57% more often than would be expected.
The average opponent winrate against Sion is 46.88%.


Jayce
Người Bảo Hộ Mai Sau
Yuumi wins against Jayce 51.34% of the time which is 1.76% higher against Jayce than the average opponent.
After normalising both champions win rates Yuumi wins against Jayce 2.05% less often than would be expected.
The average opponent winrate against Jayce is 49.58%.


Talon
Sát Thủ Bóng Đêm
Yuumi wins against Talon 51.35% of the time which is 3.82% higher against Talon than the average opponent.
After normalising both champions win rates Yuumi wins against Talon 0.01% more often than would be expected.
The average opponent winrate against Talon is 47.53%.


Singed
Dược Sĩ Điên
Yuumi wins against Singed 51.40% of the time which is 6.36% higher against Singed than the average opponent.
After normalising both champions win rates Yuumi wins against Singed 2.56% more often than would be expected.
The average opponent winrate against Singed is 45.04%.


Qiyana
Nữ Hoàng Nguyên Tố
Yuumi wins against Qiyana 51.46% of the time which is 3.47% higher against Qiyana than the average opponent.
After normalising both champions win rates Yuumi wins against Qiyana 0.34% less often than would be expected.
The average opponent winrate against Qiyana is 47.99%.


Malzahar
Tiên Tri Hư Không
Yuumi wins against Malzahar 51.49% of the time which is 4.61% higher against Malzahar than the average opponent.
After normalising both champions win rates Yuumi wins against Malzahar 0.80% more often than would be expected.
The average opponent winrate against Malzahar is 46.88%.


Lux
Tiểu Thư Ánh Sáng
Yuumi wins against Lux 51.49% of the time which is 3.45% higher against Lux than the average opponent.
After normalising both champions win rates Yuumi wins against Lux 0.36% less often than would be expected.
The average opponent winrate against Lux is 48.04%.


Syndra
Nữ Chúa Bóng Tối
Yuumi wins against Syndra 51.51% of the time which is 3.82% higher against Syndra than the average opponent.
After normalising both champions win rates Yuumi wins against Syndra 0.01% more often than would be expected.
The average opponent winrate against Syndra is 47.69%.


Vex
Pháp Sư Khó Chịu
Yuumi wins against Vex 51.79% of the time which is 5.31% higher against Vex than the average opponent.
After normalising both champions win rates Yuumi wins against Vex 1.50% more often than would be expected.
The average opponent winrate against Vex is 46.48%.


Azir
Hoàng Đế Sa Mạc
Yuumi wins against Azir 51.97% of the time which is 1.32% higher against Azir than the average opponent.
After normalising both champions win rates Yuumi wins against Azir 2.49% less often than would be expected.
The average opponent winrate against Azir is 50.65%.


Ryze
Pháp Sư Cổ Ngữ
Yuumi wins against Ryze 52.12% of the time which is 3.94% higher against Ryze than the average opponent.
After normalising both champions win rates Yuumi wins against Ryze 0.13% more often than would be expected.
The average opponent winrate against Ryze is 48.18%.


Fizz
Chú Cá Tinh Nghịch
Yuumi wins against Fizz 52.22% of the time which is 4.54% higher against Fizz than the average opponent.
After normalising both champions win rates Yuumi wins against Fizz 0.73% more often than would be expected.
The average opponent winrate against Fizz is 47.68%.


Nunu & Willump
Cậu Bé & Người Tuyết
Yuumi wins against Nunu & Willump 52.23% of the time which is 4.03% higher against Nunu & Willump than the average opponent.
After normalising both champions win rates Yuumi wins against Nunu & Willump 0.22% more often than would be expected.
The average opponent winrate against Nunu & Willump is 48.20%.


LeBlanc
Kẻ Lừa Đảo
Yuumi wins against LeBlanc 52.23% of the time which is 2.98% higher against LeBlanc than the average opponent.
After normalising both champions win rates Yuumi wins against LeBlanc 0.83% less often than would be expected.
The average opponent winrate against LeBlanc is 49.25%.


Viktor
Sứ Giả Của Arcane
Yuumi wins against Viktor 52.31% of the time which is 4.10% higher against Viktor than the average opponent.
After normalising both champions win rates Yuumi wins against Viktor 0.29% more often than would be expected.
The average opponent winrate against Viktor is 48.21%.


Diana
Vầng Trăng Ai Oán
Yuumi wins against Diana 52.33% of the time which is 5.57% higher against Diana than the average opponent.
After normalising both champions win rates Yuumi wins against Diana 1.76% more often than would be expected.
The average opponent winrate against Diana is 46.76%.


Katarina
Ác Kiếm
Yuumi wins against Katarina 52.39% of the time which is 4.19% higher against Katarina than the average opponent.
After normalising both champions win rates Yuumi wins against Katarina 0.38% more often than would be expected.
The average opponent winrate against Katarina is 48.20%.


Kassadin
Lữ Khách Hư Không
Yuumi wins against Kassadin 52.41% of the time which is 4.12% higher against Kassadin than the average opponent.
After normalising both champions win rates Yuumi wins against Kassadin 0.31% more often than would be expected.
The average opponent winrate against Kassadin is 48.29%.


Swain
Nguyên Soái Noxus
Yuumi wins against Swain 52.47% of the time which is 6.43% higher against Swain than the average opponent.
After normalising both champions win rates Yuumi wins against Swain 2.63% more often than would be expected.
The average opponent winrate against Swain is 46.04%.


Akali
Sát Thủ Đơn Độc
Yuumi wins against Akali 52.53% of the time which is 3.59% higher against Akali than the average opponent.
After normalising both champions win rates Yuumi wins against Akali 0.22% less often than would be expected.
The average opponent winrate against Akali is 48.94%.


Twisted Fate
Thần Bài
Yuumi wins against Twisted Fate 52.74% of the time which is 4.39% higher against Twisted Fate than the average opponent.
After normalising both champions win rates Yuumi wins against Twisted Fate 0.58% more often than would be expected.
The average opponent winrate against Twisted Fate is 48.35%.


Vladimir
Thần Chết Đỏ
Yuumi wins against Vladimir 52.78% of the time which is 5.33% higher against Vladimir than the average opponent.
After normalising both champions win rates Yuumi wins against Vladimir 1.52% more often than would be expected.
The average opponent winrate against Vladimir is 47.45%.


Yone
Kẻ Về Từ Cõi Chết
Yuumi wins against Yone 52.80% of the time which is 2.02% higher against Yone than the average opponent.
After normalising both champions win rates Yuumi wins against Yone 1.79% less often than would be expected.
The average opponent winrate against Yone is 50.78%.


Zed
Chúa Tể Bóng Tối
Yuumi wins against Zed 52.99% of the time which is 4.15% higher against Zed than the average opponent.
After normalising both champions win rates Yuumi wins against Zed 0.34% more often than would be expected.
The average opponent winrate against Zed is 48.84%.


Irelia
Vũ Kiếm Sư
Yuumi wins against Irelia 53.02% of the time which is 4.91% higher against Irelia than the average opponent.
After normalising both champions win rates Yuumi wins against Irelia 1.10% more often than would be expected.
The average opponent winrate against Irelia is 48.11%.


Veigar
Bậc Thầy Tiểu Quỷ
Yuumi wins against Veigar 53.25% of the time which is 5.82% higher against Veigar than the average opponent.
After normalising both champions win rates Yuumi wins against Veigar 2.01% more often than would be expected.
The average opponent winrate against Veigar is 47.43%.


Aurelion Sol
Ác Long Thượng Giới
Yuumi wins against Aurelion Sol 53.37% of the time which is 5.70% higher against Aurelion Sol than the average opponent.
After normalising both champions win rates Yuumi wins against Aurelion Sol 1.89% more often than would be expected.
The average opponent winrate against Aurelion Sol is 47.67%.


Karma
Kẻ Được Khai Sáng
Yuumi wins against Karma 53.46% of the time which is 4.20% higher against Karma than the average opponent.
After normalising both champions win rates Yuumi wins against Karma 0.39% more often than would be expected.
The average opponent winrate against Karma is 49.26%.


Renekton
Đồ Tể Sa Mạc
Yuumi wins against Renekton 53.48% of the time which is 6.01% higher against Renekton than the average opponent.
After normalising both champions win rates Yuumi wins against Renekton 2.20% more often than would be expected.
The average opponent winrate against Renekton is 47.47%.


Brand
Thần Lửa
Yuumi wins against Brand 53.56% of the time which is 5.10% higher against Brand than the average opponent.
After normalising both champions win rates Yuumi wins against Brand 1.29% more often than would be expected.
The average opponent winrate against Brand is 48.46%.


Orianna
Quý Cô Dây Cót
Yuumi wins against Orianna 53.61% of the time which is 4.69% higher against Orianna than the average opponent.
After normalising both champions win rates Yuumi wins against Orianna 0.88% more often than would be expected.
The average opponent winrate against Orianna is 48.92%.


Hwei
Họa Sĩ Vạn Cảnh
Yuumi wins against Hwei 53.66% of the time which is 4.08% higher against Hwei than the average opponent.
After normalising both champions win rates Yuumi wins against Hwei 0.27% more often than would be expected.
The average opponent winrate against Hwei is 49.58%.


Sylas
Kẻ Phá Xiềng
Yuumi wins against Sylas 53.90% of the time which is 4.82% higher against Sylas than the average opponent.
After normalising both champions win rates Yuumi wins against Sylas 1.01% more often than would be expected.
The average opponent winrate against Sylas is 49.08%.


Xerath
Pháp Sư Thăng Hoa
Yuumi wins against Xerath 54.02% of the time which is 5.40% higher against Xerath than the average opponent.
After normalising both champions win rates Yuumi wins against Xerath 1.59% more often than would be expected.
The average opponent winrate against Xerath is 48.62%.


Lucian
Kẻ Thanh Trừng
Yuumi wins against Lucian 54.10% of the time which is 2.30% lower against Lucian than the average opponent.
After normalising both champions win rates Yuumi wins against Lucian 6.07% less often than would be expected.
The average opponent winrate against Lucian is 56.40%.


Morgana
Thiên Thần Sa Ngã
Yuumi wins against Morgana 54.14% of the time which is 7.48% higher against Morgana than the average opponent.
After normalising both champions win rates Yuumi wins against Morgana 3.67% more often than would be expected.
The average opponent winrate against Morgana is 46.66%.


Ambessa
Nữ Tướng Chiến Tranh
Yuumi wins against Ambessa 54.49% of the time which is 4.38% higher against Ambessa than the average opponent.
After normalising both champions win rates Yuumi wins against Ambessa 0.57% more often than would be expected.
The average opponent winrate against Ambessa is 50.11%.


Kled
Kị Sĩ Cáu Kỉnh
Yuumi wins against Kled 54.81% of the time which is 8.98% higher against Kled than the average opponent.
After normalising both champions win rates Yuumi wins against Kled 5.18% more often than would be expected.
The average opponent winrate against Kled is 45.83%.


Corki
Phi Công Quả Cảm
Yuumi wins against Corki 54.88% of the time which is 3.81% higher against Corki than the average opponent.
After normalising both champions win rates Yuumi wins against Corki 0.00% less often than would be expected.
The average opponent winrate against Corki is 51.07%.


Tristana
Tay Súng Yordle
Yuumi wins against Tristana 55.01% of the time which is 3.73% higher against Tristana than the average opponent.
After normalising both champions win rates Yuumi wins against Tristana 0.08% less often than would be expected.
The average opponent winrate against Tristana is 51.28%.


Gangplank
Hiểm Họa Vùng Saltwater
Yuumi wins against Gangplank 55.34% of the time which is 7.04% higher against Gangplank than the average opponent.
After normalising both champions win rates Yuumi wins against Gangplank 3.23% more often than would be expected.
The average opponent winrate against Gangplank is 48.30%.


Aurora
Phù Thủy Giữa Hai Thế Giới
Yuumi wins against Aurora 56.02% of the time which is 5.61% higher against Aurora than the average opponent.
After normalising both champions win rates Yuumi wins against Aurora 1.80% more often than would be expected.
The average opponent winrate against Aurora is 50.41%.


Mel
Ảnh Chiếu Của Tâm Hồn
Yuumi wins against Mel 56.19% of the time which is 3.80% higher against Mel than the average opponent.
After normalising both champions win rates Yuumi wins against Mel 0.00% less often than would be expected.
The average opponent winrate against Mel is 52.39%.


Varus
Mũi Tên Báo Thù
Yuumi wins against Varus 56.82% of the time which is 5.98% higher against Varus than the average opponent.
After normalising both champions win rates Yuumi wins against Varus 2.17% more often than would be expected.
The average opponent winrate against Varus is 50.84%.


Mordekaiser
Ác Quỷ Thiết Giáp
Yuumi wins against Mordekaiser 56.93% of the time which is 7.71% higher against Mordekaiser than the average opponent.
After normalising both champions win rates Yuumi wins against Mordekaiser 3.90% more often than would be expected.
The average opponent winrate against Mordekaiser is 49.22%.


Viego
Hắc Diệt Đế Vương
Yuumi wins against Viego 57.28% of the time which is 6.50% higher against Viego than the average opponent.
After normalising both champions win rates Yuumi wins against Viego 2.69% more often than would be expected.
The average opponent winrate against Viego is 50.78%.


Sett
Đại Ca
Yuumi wins against Sett 57.42% of the time which is 11.11% higher against Sett than the average opponent.
After normalising both champions win rates Yuumi wins against Sett 7.30% more often than would be expected.
The average opponent winrate against Sett is 46.31%.


Ezreal
Nhà Thám Hiểm
Yuumi wins against Ezreal 58.28% of the time which is 2.04% higher against Ezreal than the average opponent.
After normalising both champions win rates Yuumi wins against Ezreal 1.73% less often than would be expected.
The average opponent winrate against Ezreal is 56.24%.


Ziggs
Chuyên Gia Chất Nổ
Yuumi wins against Ziggs 58.57% of the time which is 9.28% higher against Ziggs than the average opponent.
After normalising both champions win rates Yuumi wins against Ziggs 5.47% more often than would be expected.
The average opponent winrate against Ziggs is 49.29%.


Smolder
Tiểu Hỏa Long
Yuumi wins against Smolder 59.28% of the time which is 5.98% higher against Smolder than the average opponent.
After normalising both champions win rates Yuumi wins against Smolder 2.18% more often than would be expected.
The average opponent winrate against Smolder is 53.30%.


Seraphine
Ca Sĩ Mộng Mơ
Yuumi wins against Seraphine 59.50% of the time which is 9.69% higher against Seraphine than the average opponent.
After normalising both champions win rates Yuumi wins against Seraphine 5.88% more often than would be expected.
The average opponent winrate against Seraphine is 49.81%.


Kai'Sa
Ái Nữ Hư Không
Yuumi wins against Kai'Sa 60.00% of the time which is 4.85% higher against Kai'Sa than the average opponent.
After normalising both champions win rates Yuumi wins against Kai'Sa 1.07% more often than would be expected.
The average opponent winrate against Kai'Sa is 55.15%.